Definition of CYSTEINE

cysteine

Meanings

Plural: cysteines

Noun

  • an amino acid containing sulfur that is found in most proteins; oxidizes on exposure to air to form cystine
  • A sulphur-containing nonessential amino acid C₃H₇NO₂S found in most animal proteins; it readily oxidizes to cystine.

Origin / Etymology

An alteration of cystine, see -eine.

Synonyms

Cys when viewed as a monomer in proteins, E910 when used as a food additive, E920 when used as an improving agent

Scrabble Score: 13

cysteine is a valid Scrabble (US) TWL word
cysteine is a valid Scrabble Word in Merriam-Webster MW Dictionary
cysteine is a valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 14

cysteine is a valid Words With Friends word